1. What is High-speed Dial up?
● High-speed Dial up provides a solution to the
low-speed that doesn't have to possess
broadband.
● Today NetZero and EarthLink provide High-
speed dial up.
● People can get connection speeds that are 5
times faster than previous dial up.

2. About acceleration servers
● High-speed Dial up providers have found good
ways to open up that bottleneck.
● By put the acceleration server into the chain
between dial up connection and the Web, they
are able to become high speed the process.

3. Acceleration of server because of
File compression
● File compression is important to speed up the
process.
● The acceleration server compresses file on the
fly and sends it down modem line.
Acceleration rates
Text : more than 50%
Image : from 50% to 90%
Music : About 0% (because mp3 file is
already compressed.)